11: Jain, P., A.J. Chaudhari, A.S. Patil and S.J. Surana, 2012. Development and validation of area under curve method by using first order derivative for estimation of sitagliptin in tablet dosage form. Analyt. Chem., 11: 289-292.

57: Jain, P.S., S.S. Chalikwar, A.A. Shirkhedkar, M.A. Bagul and S.J. Surana, 2012. Development and validation of zero and first order derivative area under curve spectrophotometric methods for the determination of Entacapone in bulk material and in tablets. Pharm. Methods, 3: 14-17.